China 3 1/2
China 3 1/2

3 1/2" Downhole Retrievable Packer for Drill Stem Testing in 5.7-13.3 lb/ft Casing

3 1/2" mechanical retrievable packer designed for slim hole drill stem testing, treating, and squeeze cementing operations. Features full bore design, heavy-duty slips for superior holding ability, and compatibility with wireline tools. Multiple setting capability and integrated circulating valve support for versatile downhole applications.

Place of Origin CHINA
Packaging Details Polly wood, suitable for sea and air shipment
Connection EUE Box X Pin
Standard NACE MR0175
Model Number RTTS 3510002
Supply Ability 200 sets/month
Product Description
3 1/2" Downhole Retrievable Packer for Drill Stem Testing
Product Overview

The 3 1/2" Retrievable Packer is engineered for slim hole downhole operations in 3 1/2" casing. This mechanical setting packer is ideal for drill stem testing, treating operations, and squeeze cementing applications. Featuring a full bore design with J-slot mechanism, hydraulic slips, packer elements, and mechanical slips, it provides reliable performance in demanding downhole conditions.

Key Features
  • Full opening design enables pumping large fluid volumes with minimal pressure drop
  • Compatible with tubing-type guns and wireline tools for versatile operations
  • Multiple setting capability for repeated use in various applications
  • Large, heavy-duty slips provide superior holding ability and prevent tool string movement
  • Integrates with retrievable circulating valve for locking in open/closed positions during operations
Technical Specifications
Casing Size (in.) Casing Weight Range (lb/ft) Top Thread Connection (female) Lower Thread Connection (male)
3 1/2 5.7 1 7/8 in. OD 12 UNS EUE 1.315 in. 10 RD
3 1/2 9.2-10.2 1 7/8 in. OD 12 UNS EUE 1.315 in. 10 RD
3 1/2 13.3 1 7/8 in. OD 12 UNS EUE 1.315 in. 10 RD
3 1/2 inch Downhole Retrievable Packer showing mechanical components and construction Close-up view of 3 1/2 inch Retrievable Packer hydraulic slips and J-slot mechanism
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